@INPROCEEDINGS {36428,
author={T. Oliveira and L. Caseiro and A. M. S. Mendes and S. M. A.  Cruz and M. Perdigão},
doi={10.1109/CPE-POWERENG48600.2020.9161560},
booktitle={International Conf. on Compatibility, Power Electronics and Power Engineering -  IEEE CPE-POWERENG},
title={Switching frequency reduction for efficiency optimization in two paralleled UPS systems},
year={2020},
month={July},
volume={1},
pages={161-166} 
}